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tdepim/knode/knfolder.cpp

602 lines
13 KiB

/*
KNode, the KDE newsreader
Copyright (c) 1999-2005 the KNode authors.
See file AUTHORS for details
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
*/
#include <tqfileinfo.h>
#include <ksimpleconfig.h>
#include <kstandarddirs.h>
#include <kdebug.h>
#include <klocale.h>
#include <kqcstringsplitter.h>
#include "articlewidget.h"
#include "knarticlemanager.h"
#include "kncollectionviewitem.h"
#include "knhdrviewitem.h"
#include "utilities.h"
#include "knglobals.h"
#include "knarticlefactory.h"
#include "knfolder.h"
#include "knarticlewindow.h"
#include "knmainwidget.h"
using namespace KNode;
KNFolder::KNFolder()
: KNArticleCollection(0), i_d(-1), p_arentId(-1), i_ndexDirty(false), w_asOpen(true)
{
}
KNFolder::KNFolder(int id, const TQString &name, KNFolder *parent)
: KNArticleCollection(parent), i_d(id), i_ndexDirty(false), w_asOpen(true)
{
TQString fname=path()+TQString("custom_%1").arg(i_d);
n_ame = name;
m_boxFile.setName(fname+".mbox");
i_ndexFile.setName(fname+".idx");
i_nfoPath=fname+".info";
p_arentId=parent?parent->id():-1;
if(i_ndexFile.exists())
c_ount=i_ndexFile.size()/sizeof(DynData);
else
c_ount=0;
}
KNFolder::KNFolder(int id, const TQString &name, const TQString &prefix, KNFolder *parent)
: KNArticleCollection(parent), i_d(id), i_ndexDirty(false), w_asOpen(true)
{
TQString fname=path()+TQString("%1_%2").arg(prefix).arg(i_d);
n_ame = name;
m_boxFile.setName(fname+".mbox");
i_ndexFile.setName(fname+".idx");
i_nfoPath=fname+".info";
p_arentId=parent?parent->id():-1;
if(i_ndexFile.exists())
c_ount=i_ndexFile.size()/sizeof(DynData);
else
c_ount=0;
}
KNFolder::~KNFolder()
{
closeFiles();
}
void KNFolder::updateListItem()
{
if(l_istItem) {
l_istItem->setText(0, n_ame);
if (!isRootFolder())
l_istItem->setTotalCount( c_ount );
}
}
TQString KNFolder::path()
{
TQString dir(locateLocal("data","knode/")+"folders/");
/*if (dir.isNull())
KNHelper::displayInternalFileError();*/
return dir;
}
bool KNFolder::readInfo(const TQString &infoPath)
{
if(infoPath.isEmpty())
return false;
i_nfoPath=infoPath;
KSimpleConfig info(i_nfoPath);
if (!isRootFolder() && !isStandardFolder()) {
n_ame=info.readEntry("name");
i_d=info.readNumEntry("id", -1);
p_arentId=info.readNumEntry("parentId", -1);
}
w_asOpen=info.readBoolEntry("wasOpen", true);
if(i_d>-1) {
TQFileInfo fi(infoPath);
TQString fname=fi.dirPath(true)+"/"+fi.baseName();
closeFiles();
clear();
m_boxFile.setName(fname+".mbox");
i_ndexFile.setName(fname+".idx");
c_ount=i_ndexFile.exists() ? (i_ndexFile.size()/sizeof(DynData)) : 0;
}
return (i_d!=-1);
}
bool KNFolder::readInfo()
{
return readInfo(i_nfoPath);
}
void KNFolder::saveInfo()
{
if(!i_nfoPath.isEmpty()) {
KSimpleConfig info(i_nfoPath);
if (!isRootFolder() && !isStandardFolder()) {
info.writeEntry("name", n_ame);
info.writeEntry("id", i_d);
info.writeEntry("parentId", p_arentId);
}
if(l_istItem)
info.writeEntry("wasOpen", l_istItem->isOpen());
}
}
void KNFolder::setParent(KNCollection *p)
{
p_arent = p;
p_arentId = p ? (static_cast<KNFolder*>(p))->id() : -1;
}
bool KNFolder::loadHdrs()
{
if(isLoaded()) {
kdDebug(5003) << "KNFolder::loadHdrs() : already loaded" << endl;
return true;
}
if(!i_ndexFile.open(IO_ReadOnly)) {
kdError(5003) << "KNFolder::loadHdrs() : cannot open index-file!" << endl;
closeFiles();
return false;
}
if(!m_boxFile.open(IO_ReadOnly)) {
kdError(5003) << "KNFolder::loadHdrs() : cannot open mbox-file!" << endl;
closeFiles();
return false;
}
if(!resize(c_ount)) {
closeFiles();
return false;
}
TQCString tmp;
KQCStringSplitter split;
KNLocalArticle *art;
DynData dynamic;
int pos1=0, pos2=0, cnt=0, byteCount;
knGlobals.top->setCursorBusy(true);
knGlobals.setStatusMsg(i18n(" Loading folder..."));
knGlobals.top->secureProcessEvents();
while(!i_ndexFile.atEnd()) {
//read index-data
byteCount=i_ndexFile.readBlock((char*)(&dynamic), sizeof(DynData));
if(byteCount!=sizeof(DynData))
if(i_ndexFile.status() == IO_Ok) {
kdWarning(5003) << "KNFolder::loadHeaders() : found broken entry in index-file: Ignored!" << endl;
continue;
}
else {
kdError(5003) << "KNFolder::loadHeaders() : corrupted index-file, IO-error!" << endl;
closeFiles();
clear();
knGlobals.top->setCursorBusy( false );
return false;
}
art=new KNLocalArticle(this);
//set index-data
dynamic.getData(art);
//read overview
if(!m_boxFile.at(art->startOffset())) {
kdError(5003) << "KNFolder::loadHdrs() : cannot set mbox file-pointer!" << endl;
closeFiles();
clear();
knGlobals.top->setCursorBusy( false );
return false;
}
tmp=m_boxFile.readLine(); //KNFile::readLine()
if(tmp.isEmpty()) {
if(m_boxFile.status() == IO_Ok) {
kdWarning(5003) << "found broken entry in mbox-file: Ignored!" << endl;
delete art;
continue;
}
else {
kdError(5003) << "KNFolder::loadHdrs() : corrupted mbox-file, IO-error!"<< endl;
closeFiles();
clear();
knGlobals.top->setCursorBusy( false );
return false;
}
}
//set overview
bool end=false;
pos1=tmp.find(' ')+1;
pos2=tmp.find('\t', pos1);
if (pos2 == -1) {
pos2=tmp.length();
end=true;
}
art->subject()->from7BitString(tmp.mid(pos1, pos2-pos1));
if (!end) {
pos1=pos2+1;
pos2=tmp.find('\t', pos1);
if (pos2 == -1) {
pos2=tmp.length();
end=true;
}
art->newsgroups()->from7BitString(tmp.mid(pos1, pos2-pos1));
}
if (!end) {
pos1=pos2+1;
pos2=tmp.find('\t', pos1);
if (pos2 == -1) {
pos2=tmp.length();
end=true;
}
art->to()->from7BitString(tmp.mid(pos1,pos2-pos1));
}
if (!end) {
pos1=pos2+1;
pos2=tmp.length();
art->lines()->from7BitString(tmp.mid(pos1,pos2-pos1));
}
if(!append(art)) {
kdError(5003) << "KNFolder::loadHdrs() : cannot append article!"<< endl;
delete art;
clear();
closeFiles();
knGlobals.setStatusMsg(TQString::null);
knGlobals.top->setCursorBusy(false);
return false;
}
cnt++;
}
closeFiles();
setLastID();
c_ount=cnt;
updateListItem();
knGlobals.setStatusMsg(TQString::null);
knGlobals.top->setCursorBusy(false);
return true;
}
bool KNFolder::unloadHdrs(bool force)
{
if(l_ockedArticles>0)
return false;
if (!force && isNotUnloadable())
return false;
KNLocalArticle *a;
for(int idx=0; idx<length(); idx++) {
a=at(idx);
if (a->hasContent() && !knGlobals.articleManager()->unloadArticle(a, force))
return false;
}
syncIndex();
clear();
return true;
}
bool KNFolder::loadArticle(KNLocalArticle *a)
{
if(a->hasContent())
return true;
closeFiles();
if(!m_boxFile.open(IO_ReadOnly)) {
kdError(5003) << "KNFolder::loadArticle(KNLocalArticle *a) : cannot open mbox file: "
<< m_boxFile.name() << endl;
return false;
}
//set file-pointer
if(!m_boxFile.at(a->startOffset())) {
kdError(5003) << "KNFolder::loadArticle(KNLocalArticle *a) : cannot set mbox file-pointer!" << endl;
closeFiles();
return false;
}
//read content
m_boxFile.readLine(); //skip X-KNode-Overview
unsigned int size=a->endOffset()-m_boxFile.at()-1;
TQCString buff(size+10);
int readBytes=m_boxFile.readBlock(buff.data(), size);
closeFiles();
if(readBytes < (int)(size) && m_boxFile.status() != IO_Ok) { //cannot read file
kdError(5003) << "KNFolder::loadArticle(KNLocalArticle *a) : corrupted mbox file, IO-error!" << endl;
return false;
}
//set content
buff.at(readBytes)='\0'; //terminate string
a->setContent(buff);
a->parse();
return true;
}
bool KNFolder::saveArticles( KNLocalArticle::List &l )
{
if(!isLoaded()) // loading should not be done here - keep the StorageManager in sync !!
return false;
if(!m_boxFile.open(IO_WriteOnly | IO_Append)) {
kdError(5003) << "KNFolder::saveArticles() : cannot open mbox-file!" << endl;
closeFiles();
return false;
}
int addCnt=0;
bool ret=true;
bool clear=false;
TQTextStream ts(&m_boxFile);
ts.setEncoding(TQTextStream::Latin1);
for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it ) {
clear=false;
if ( (*it)->id() == -1 || (*it)->collection() != this ) {
if ( (*it)->id() != -1 ) {
KNFolder *oldFolder = static_cast<KNFolder*>( (*it)->collection() );
if ( !(*it)->hasContent() )
if( !( clear = oldFolder->loadArticle( (*it) ) ) ) {
ret = false;
continue;
}
KNLocalArticle::List l;
l.append( (*it) );
oldFolder->removeArticles( l, false );
}
if ( !append( (*it) ) ) {
kdError(5003) << "KNFolder::saveArticle(KNLocalArticle::List *l) : cannot append article!" << endl;
ret = false;
continue;
(*it)->setCollection(0);
}
else {
(*it)->setCollection(this);
addCnt++;
}
}
if ( byId( (*it)->id() ) == (*it) ) {
//MBox
ts << "From aaa@aaa Mon Jan 01 00:00:00 1997\n";
(*it)->setStartOffset(m_boxFile.at()); //save offset
//write overview information
ts << "X-KNode-Overview: ";
ts << (*it)->subject()->as7BitString(false) << '\t';
KMime::Headers::Base* h;
if( ( h = (*it)->newsgroups( false ) ) !=0 )
ts << h->as7BitString(false);
ts << '\t';
if( (h = (*it)->to( false ) ) != 0 )
ts << h->as7BitString(false);
ts << '\t';
ts << (*it)->lines()->as7BitString(false) << '\n';
//write article
(*it)->toStream( ts );
ts << "\n";
(*it)->setEndOffset( m_boxFile.at() ); //save offset
//update
ArticleWidget::articleChanged( (*it) );
i_ndexDirty=true;
}
else {
kdError(5003) << "KNFolder::saveArticle() : article not in folder!" << endl;
ret=false;
}
if ( clear )
(*it)->KMime::Content::clear();
}
closeFiles();
syncIndex();
if(addCnt>0) {
c_ount=length();
updateListItem();
knGlobals.articleManager()->updateViewForCollection(this);
}
return ret;
}
void KNFolder::removeArticles( KNLocalArticle::List &l, bool del )
{
if( !isLoaded() || l.isEmpty() )
return;
int idx = 0, delCnt = 0, *positions;
positions = new int[l.count()];
KNLocalArticle *a = 0;
for ( KNLocalArticle::List::Iterator it = l.begin(); it != l.end(); ++it, ++idx ) {
if ( (*it)->isLocked() )
positions[idx] = -1;
else
positions[idx] = a_rticles.indexForId( (*it)->id() );
}
for ( idx = 0; idx < (int)(l.count()); ++idx ) {
if(positions[idx]==-1)
continue;
a=at(positions[idx]);
//update
knGlobals.artFactory->deleteComposerForArticle(a);
KNArticleWindow::closeAllWindowsForArticle(a);
ArticleWidget::articleRemoved( a );
delete a->listItem();
//delete article
a_rticles.remove(positions[idx], del, false);
delCnt++;
if(!del)
a->setId(-1);
}
if(delCnt>0) {
compact();
c_ount-=delCnt;
updateListItem();
i_ndexDirty=true;
}
delete[] positions;
}
void KNFolder::deleteAll()
{
if(l_ockedArticles>0)
return;
if (!unloadHdrs(true))
return;
clear();
c_ount=0;
syncIndex(true);
updateListItem();
}
void KNFolder::deleteFiles()
{
m_boxFile.remove();
i_ndexFile.remove();
TQFile::remove(i_nfoPath);
}
void KNFolder::syncIndex(bool force)
{
if(!i_ndexDirty && !force)
return;
if(!i_ndexFile.open(IO_WriteOnly)) {
kdError(5003) << "KNFolder::syncIndex(bool force) : cannot open index-file!" << endl;
closeFiles();
return;
}
KNLocalArticle *a;
DynData d;
for(int idx=0; idx<length(); idx++) {
a=at(idx);
d.setData(a);
i_ndexFile.writeBlock((char*)(&d), sizeof(DynData));
}
closeFiles();
i_ndexDirty=false;
}
void KNFolder::closeFiles()
{
if(m_boxFile.isOpen())
m_boxFile.close();
if(i_ndexFile.isOpen())
i_ndexFile.close();
}
//==============================================================================
void KNFolder::DynData::setData(KNLocalArticle *a)
{
id=a->id();
so=a->startOffset();
eo=a->endOffset();
sId=a->serverId();
ti=a->date()->unixTime();
flags[0]=a->doMail();
flags[1]=a->mailed();
flags[2]=a->doPost();
flags[3]=a->posted();
flags[4]=a->canceled();
flags[5]=a->editDisabled();
}
void KNFolder::DynData::getData(KNLocalArticle *a)
{
a->setId(id);
a->date()->setUnixTime(ti);
a->setStartOffset(so);
a->setEndOffset(eo);
a->setServerId(sId);
a->setDoMail(flags[0]);
a->setMailed(flags[1]);
a->setDoPost(flags[2]);
a->setPosted(flags[3]);
a->setCanceled(flags[4]);
a->setEditDisabled(flags[5]);
}